2025-05-09T04:53:36.79Z40.4093333333333-125.063510manualconfirmedUSGS3.54mw1Origin/20250509201529.288923.76458Magnitude/20250509201529.289019.764592025-05-09T04:58:50.366726Z2025-05-09T20:15:29.915408ZOff Coast of Northern Californiaregion nameOrigin/20250509201529.288923.76458